556 SBR features a 10” military grade cold hammer forged barrel, chambered in 5.56mm NATO, with a twist rate of 1 in 7”. The flash suppressor uses a standard .5 x 28 TPI thread pattern, ensuring compatibility with after-market accessories. The receiver is made of high strength steel with a durable wear-resistant Nitron® finish. The Picatinny rail features a SIG SAUER® CP1 Prismatic Sight and a Sig Sauer Vertical Foregrip for full control. The Magpul URB stock is the perfect complement for the SIG SBR and matches the SBR perfectly. The trigger housing is machined from an aircraft grade aluminum alloy forging with a hard-coat anodized finish designed to survive extreme conditions. The 556 SBR features Troy BattleRail quad-rail designed for mounting accessories. The 556 SBR comes equipped with a smooth two-stage trigger, ambidextrous safety and is designed to accept standard AR magazines. The 556 SBR ships standard with (1) 30-round magazine. The 556 SBR is compatible with M16/AR-15 type magazines. This SRB was converted from a P556 Pistol by American Weapon Systems and is registered with the BATF NFA.

This firearm has a very low round count of less than 100 rounds.

Shipping and insurance is Free to the lower 48 states.

Trades Accepted:Yes

American Weapon Systems is the manufacture of the Zombie Annihilator ZA-15. We are a 07/FFL & SOT and can assist in all your FFL needs. Our rates are very competitive and we will work hard to earn your business.